Loco, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.5 °C (low) to 23.7 °C (high). Annual precipitation averages 878.6 Millimeters. Loco is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -1.4 °C | 11.8 °C | 39.12 mm |
| February | 0.7 °C | 14 °C | 46.48 mm |
| March | 5.3 °C | 18.9 °C | 67.31 mm |
| April | 9.6 °C | 23.3 °C | 83.06 mm |
| May | 15.3 °C | 27.4 °C | 125.22 mm |
| June | 20.2 °C | 32.1 °C | 100.58 mm |
| July | 22.2 °C | 35.1 °C | 64.77 mm |
| August | 21.7 °C | 35.3 °C | 69.09 mm |
| September | 17.6 °C | 30.8 °C | 92.71 mm |
| October | 10.8 °C | 24.8 °C | 86.11 mm |
| November | 4.7 °C | 18.2 °C | 52.83 mm |
| December | -0.3 °C | 12.6 °C | 51.31 mm |
| Annual | 10.5 °C | 23.7 °C | 878.59 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |